Tandem Sport Officials Starter Kit Kit includes: 1 Net Setter Chain, Penalty Cards, 2 Solid Red Linesman Flags, and Whistle w/ Lanyard All the basics for officiating volleyball. Perfect for both beginner and experienced officials and referees. Two strong and steady red linesman flags, with dimensions: 12" x 15" inches. Handles measure 18.5" inches. Net Setter chain has four pre-set net heights, and comes with specific instructions and net heights. Plastic penalty flags in red and yellow come in a portable folding wallet. Cards are approximately 4 3/4" x 3 1/4"